GE IS200ISRJG1AAA Gas turbine card

Product name:
GE IS200ISRJG1A Gas turbine card

Product model: IS200ISRJG1AAA

Quantity: inventory


Warranty: We provide warranty service for IS200ISRJG1AAA

Shipping Port:FuJian

Product technical documents: no relevant documents

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GE General Electric Technical Specifications: IS200ISRJG1AAA

Applications with generators operated in parallel and IS200ISRJG1AAA grounded through a common impedance require special consider

ations. If only one generator is grounded and the other ones left floating, the directional element for the floating generators

does not receive a correct Vneutral signal and therefore cannot operate correctly. In those applications, the element makes

use of auxiliary contacts off the grounding switch IS200ISRJG1AAA and the unit breaker to turn the element into a simple overcurrent element,

with the pickup level set for the directional element (note that the ground directional element and the ground overcurrent

elements are totally separate elements). In this mode, the element can retain a high sensitivity and fast operate time since

it will only respond to internal stator ground faults. The table below illustrates the status of different elements under various

operating conditions.


brand Product Name Product model Order No
GE Fanuc Module card IS200ISRJG1AAA nothing
Place of Origin Marketable land Imported or not defects liability period
Europe and America Nationwide and overseas yes a year
Place of shipment Delivery method How to use Applicable industries
Xiamen Shunfeng Express Commissioning and installation Power Plant Steel Plant Cement Plant Shipboard Papermaking
Service advantages Foreign import, goods preparation and supply Reasonable price and reliable quality Pictures are for reference only
Product features Primary source of goods, supply by model After sales guarantee Chen 1810693-7731


The conventional IS200ISRJG1AAA neutral overvoltage element or the ground overcurrent element are not capable of reliably detecting stator

ground faults in the bottom 5% of the stator, due to lack of sensitivity. In order to provide reliable coverage for the bottom

part of the stator, protective elements, utilizing the third harmonic voltage signals in the neutral and at the generator output

terminals, have been developed [4].

In the 489 relay, the third-harmonic voltage element, Neutral Undervoltage (3rd Harmonic) derives the IS200ISRJG1AAA third harmonic com

ponent of the neutral-point voltage signal from the

Vneutral signal as one signal, called VN3. The third harmonic component

of the internally summed phase-voltage signals is derived as the second signal, called VP3. For this element to perform as

originally intended, it is necessary to use wye-connected VTs

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Lead time problem
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For the simple purchase procedure of spare parts, ensure that they are delivered to the site in a timely manner, and help users reduce the risk of downtime caused by the shortage of spare parts
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